The McCormick 3688239M1 sleeve is a genuine OEM component designed for various agricultural machines, including McCormick, Massey Ferguson, Landini, Valtra, and Fendt tractors. This precision-engineered sleeve ensures proper fit and function, contributing to the reliable operation of critical systems. With an outside diameter of 48.5 mm, an inside diameter of 45 mm, and a length of 40 mm, it is a direct replacement part for maintaining optimal performance.